@article{KleLux17a, title = {Lens Depth Function and k-Relative Neighborhood Graph: Versatile Tools for Ordinal Data Analysis}, author = {Kleindessner, M. and von Luxburg, U.}, journal = {Journal of Machine Learning Research (JMLR)}, booktitle = {Journal of Machine Learning Research}, volume = {18}, year = {2017}, doi = {} }